| VLAN Commands
Configuring IEEE 802.1Q Tunneling
Set the Tag Protocol Identifier (TPID) value of the tunnel access port. This step is
required if the attached client is using a nonstandard 2-byte ethertype to
identify 802.1Q tagged frames. The standard ethertype value is 0x8100. (See
Configure the QinQ tunnel access port to join the SPVLAN as an untagged
Configure the SPVLAN ID as the native VID on the QinQ tunnel access port
Configure the QinQ tunnel uplink port to dot1Q-tunnel uplink mode
Configure the QinQ tunnel uplink port to join the SPVLAN as a tagged member
Limitations for QinQ
The native VLAN for the tunnel uplink ports and tunnel access ports cannot be
the same. However, the same service VLANs can be set on both tunnel port
IGMP Snooping should not be enabled on a tunnel access port.
If the spanning tree protocol is enabled, be aware that a tunnel access or tunnel
uplink port may be disabled if the spanning tree structure is automatically
reconfigured to overcome a break in the tree. It is therefore advisable to disable
spanning tree on these ports.
This command sets the switch to operate in QinQ mode. Use the no form to disable
QinQ operating mode.
[no] dot1q-tunnel system-tunnel-control
QinQ tunnel mode must be enabled on the switch for QinQ interface settings to be
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